Extended Data Fig. 3: Calibration of RSDTPs attached to handles with different stiffness using magnetic tweezer.

a, Design and sequences of handles with different stiffness. b, Illustration of calibration setup using magnetic tweezer. c, Representative force-displacement calibration curves of 17 pN (left), 45 pN (middle), and 56 pN (right) RSDTPs. d, Distribution of unfolding forces of RSDTPs attached to handles with different stiffness (400 bp, n = 51, 46, 64 events for different RSDTPs. 4000 bp, n = 45, 121, 191 events for different RSDTPs. 13571 nt, n = 39, 45, 30 events for different RSDTPs).